Is that 9 liters or .9 liters? If it's .9 liters, then I would expect no damage. That is not very much. If it's 9 liters, then you might have some engine damage. I doubt that it was 9 liters though, because I don't think you would go 10,000 km without seeing some kind of problem before that, like blown seals or even bent rods. With 9 extra liters of oil, at the very least, you would be leaving a big smokescreen behind you!
No, not as long as the engine is allowed to reach normal operating temperature.
space
Not allowed
Not while they are being driven.
No oil filter, no oil, lots of damage.
Depends on how it is maintained and how and where it is driven. You can easily go 200,000 miles with no major repairs if your have it serviced according to the owners manual.
300,000 if kepted serviced and driven correctly and use good lubricants and parts
LCDs are driven with AC, to prevent electrolytic damage to the thin transparent electrodes. LEDs are driven with DC.
The more miles driven and the older the car, the less in value the car will be. If you are at the point where you are having to make major repairs on the car then it is time to sell.
Presidents are typically not allowed to drive their own cards. George W. Bush has not owned or driven a car in many years.
Like this site (Wikianswers), Wikipedia is a user driven website. But both have rules to follow.
Engine seized? No Depending on distance driven - might have done permanent damage to engine